Global Patent Index - EP 1505449 B1

EP 1505449 B1 20090916 - Toner

Title (en)

Toner

Title (de)

Toner

Title (fr)

Révélateur

Publication

EP 1505449 B1 20090916 (EN)

Application

EP 04018158 A 20040730

Priority

JP 2003205315 A 20030801

Abstract (en)

[origin: EP1505449A2] A toner is composed of toner particles including toner base particles containing atleast a binder resin and a colorant, and inorganic fine particles. The toner base particles having a specific circle-equivalent diameter as measured with a flow type particle image analizer have a specific average circularity. The toner base particles have a specific surface roughness as measured with a scanning probe microscope. The binder resin contains at least a vynil resin having as partial structure a linkage formed by the reaction of a carboxyl group with an epoxy group.

IPC 8 full level

G03G 9/08 (2006.01); G03G 9/087 (2006.01)

CPC (source: EP KR US)

G03G 9/081 (2013.01 - EP KR US); G03G 9/0819 (2013.01 - EP KR US); G03G 9/0821 (2013.01 - EP KR US); G03G 9/0827 (2013.01 - EP KR US); G03G 9/08708 (2013.01 - EP KR US); G03G 9/08711 (2013.01 - EP US); G03G 9/08793 (2013.01 - EP KR US); G03G 9/08795 (2013.01 - EP KR US); G03G 9/08797 (2013.01 - EP KR US)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1505449 A2 20050209; EP 1505449 A3 20071107; EP 1505449 B1 20090916; CN 100578372 C 20100106; CN 1580962 A 20050216; DE 602004023161 D1 20091029; KR 100630985 B1 20061009; KR 20050016095 A 20050221; US 2005048390 A1 20050303; US 7288354 B2 20071030

DOCDB simple family (application)

EP 04018158 A 20040730; CN 200410054690 A 20040730; DE 602004023161 T 20040730; KR 20040060851 A 20040802; US 90207204 A 20040730